Protopteridium |
Protopteridium rossicum
|
USSR(Nenets Nat.Okrug) |
Givetian |
|
Psophosphaera |
Psophosphaera domanica
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Psophosphaera |
Psophosphaera lucida
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes aculeatus
|
USSR(Nenets Nat.Okrug) |
Eifelian |
|
Retusotriletes |
Retusotriletes communis
|
USSR(Nenets Nat.Okrug) |
Eifelian |
|
Retusotriletes |
Retusotriletes domanicus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes sterlibaschevensis
|
USSR(Nenets Nat.Okrug) |
Eifelian |
|
Retusotriletes |
Retusotriletes subgibberosus
|
USSR(Nenets Nat.Okrug) |
Eifelian |
|
Schuguria |
Schuguria ornata
|
USSR(Nenets Nat.Okrug) |
Givetian |
|
Stenozonotriletes |
Stenozonotriletes definitus
|
USSR(Nenets Nat.Okrug) |
Frasnian |
|
Trachytriletes |
Trachytriletes lasius
|
USSR(Nenets Nat.Okrug) |
Late Frasnian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Nenets Nat.Okrug) |
Eifelian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|